13.1.2 Supplemental Seal
The supplemental seal provides additional protection for
the attached unit of the geared motor and forms one
stage of the labyrinth seal
Subsequent installation of the supplemental seal:
1. Sand the weld seam until bare.
The diameter of the auger is 125 mm for SFK augers
and 135 mm for LFK augers.
Older augers may have a larger diameter than indi-
cated above. If this is the case, the auger must be
lathed down.
2. The length "X" determines the required spacer ring –
see Fig. 13-5
The following spacer rings are available:
1mm,2mm and 3mm.
If a distance of 3mm is required, install 1mm+
The 2mm spacer ring.